Aplisens ERH-01 04-07 Manuel - Page 16
Parcourez en ligne ou téléchargez le pdf Manuel pour {nom_de_la_catégorie} Aplisens ERH-01 04-07. Aplisens ERH-01 04-07 17 pages. Level switches
4.2 START-UP AND OPERATION INSTRUCTION
4.2.1 Preparing for start-up
Level switches may be installed in closed rooms or at least protected from weather conditions: rain,
snow, etc., and free from excessive chemical exhalations. After level switch unpacking and inspecting
it should be screwed to the connection pipe, placing the seal between pipe and level switch; it is
recommended to install the level switch with the gland down.
4.2.2 Operation manual
After connecting the electric circuit and checking its correct operation, the level switches do not
require any further operation.
4.3. MAINTENANCE INSTRUCTION
Level switch should be at least once a year subjected to detailed inspection,
paying attention for technical condition of parts, subjected to fluid influence
(float, bolts, cotter pins, magnet housing, lever, etc.), removing possible
impurities especially from the magnet housing and from the gap between body
and float lever.
For highly contaminated fluids the above activities should be performed more
frequently, in periods defined by the user, during the inspections of the whole
tank and equipment. Forming deposits, e.g. boiler scale, should be removed
mechanically or chemically, paying attention not to damage the level switches
parts.
After performed maintenance install the level switch.
4.4
SAFETY INSTRUCTION
5. STORAGE AND TRANSPORT CONDITIONS
Level switches received from the producer should be stored in rooms free from chemical exhalations
and assuring environment temperature from 5 to 30°C and relative humidity from 30 to 80%. The level switch
technical condition should be checked at least once a year.
Level switches should be stored in the package, assuring protection from mechanical damages.
Level switches are packed in the carton box, drawing no. ER3-1313.
Level switches should be transported in the packages. Pay attention for immobilizing the level
switches during transport.
Updating August 2010
TECHNICAL PRODUCT DOCUMENTATION
Personnel installing level switches in objects should have general
knowledge of safety requirements and this documentation. Do not
perform level switch installation, when system is live.
Depending on object type and existing protection system the level
switch should be zeroed or earthed.
For this purpose properly marked rod is provided.
ER5-1047
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Pages: 17